#include <cstdio>
#include <iostream>

using namespace std;

int main() {
    int n;
    cin >> n;

    while (n--) {
        int x;
        cin >> x;

        int s = 0;
        for (int i = 1; i * i <= x; i++) {
            if (x % i == 0) {
                if (i < x) {
                    s += i;
                }
                if (i != x / i && x / i < x) {
                    s += x / i;
                }
            }
        }
        if (s == x) {
            printf("%d is perfect\n", x);
        } else {
            printf("%d is not perfect\n", x);
        }
    }

    return 0;
}
